Liming gas group can provide supply gas service of deep cold express to clients. The main equipment in the supply gas scheme of deep cold express concentrate the whole set of gas station functions. Fast and easy cooling equipment with self pressurizing device and air temperature vaporizer, meanwhile with the function of voltage regulation, it is the integration of the whole gas station function. The supply gas service of deep cold express is simple and flexible; less restricted by the site, can be assembled and migrated at any time. While in the traditional mode, the customer with low use level, complete the gas supply through replace empty bottles by using gas filled cylinders and Dewar tanks. The characteristic of deep cold express’ supply gas scheme are t he function of gas supply integration, simple to install, safe and efficient to use.